All form the UK

[as well as the Sex Pistols, Iron Maiden and Black Sabbath. Nevermind, you yanks had the Eagles

]
Led Zep are untouchable. The best drummer, the best bassist / keyboardist, the best singer and of course the best guitarrist. They invented all the cliches we associate with rock music - the underage girls, the drink, the drugs, the obsecne ammounts of money etc etc. Oh, they also wrote the greatest rock songs ever written.